WASHINGTON, DC - SEPTEMBER 13: Former Federal Reserve Board Chairman Alan Greenspan (L) talks to professor of economics and senior fellow in economics in Stanford University's Hoover Institution John... more 
WASHINGTON, DC - SEPTEMBER 13: Former Federal Reserve Board Chairman Alan Greenspan (L) talks to professor of economics and senior fellow in economics in Stanford University's Hoover Institution John Taylor (R) prior to a hearing before the Responsibility and Economic Growth Subcommittee of the Senate Finance Committee September 13, 2011 on Capitol Hill in Washington, DC. The hearing was focused on "Whether There is a Role for Tax Reform in Comprehensive Deficit Reduction and U.S. Fiscal Policy." (Photo by Alex Wong/Getty Images) less 
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Getty Images | Photo By Alex Wong / Getty Images
Tue, Sep 13, 2011 4:21 PM EDT